How to sync this watch with your mobile phone:1. Download the APP named VeryFitPro by scaning QR code of the manul, or search “VeryFitPro” from Google Play or APP store. 2. Open the VeryFitPro—Device—Bind Device 3. Click the “ID205L” on your screen. 4. Click the “Confirm Bind Device” 5. Confirm again on the watch screen and finish sync.